McLaren says it has more than 20 orders and up to 60 keen prospects in Australia for its new Ferrari-rivalling supercar - and all of them are male.

The company that has been synonymous with Formula One racing for decades officially launched its new MP4-12C in Sydney today, but says it has yet to attract a female buyer for the supercar that is expected to cost about half a million dollars.

"So far we have 100 per cent male buyers," says Greg Duncan, the executive chairman of Trivett, the prestige automotive dealer group that will sell McLaren's supercars in Australia. "That's probably more so than other brands [such as Ferrari and Aston Martin].